In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to make cloud eggs [title] Preheat the oven and prepare a baking sheet. [step] Turn the oven on to 450 degrees f (230 c). Get out a large baking sheet. <sep> (A) Spray it with non-stick cooking spray to prevent it from burning. Sprinkle some chopped nuts and spread them across the bottom of the baking sheet. (B) Tear off a sheet of parchment paper and lay it on the baking sheet. Set the pan aside while you make the eggs. (C) In the pan, put the eggs and baking mix. Put the baking mix and baking powder in a bowl, along with 1/2 tsp (¼ g) of salt. (D) Spread the egg mixture across the top of the baking sheet in an even layer. [substeps] For the best results, leave the membrane behind so that it will fall in again.
B